Alarm Words - Danfoss VLT HVAC Drive FC 100 Series Design Manual

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VLT HVAC Drive Design Guide

8.6.2. Alarm words

Alarm word, 16-90
Bit
(Hex)
00000001
00000002
00000004
00000008
00000010
00000020
00000040
00000080
00000100
00000200
00000400
00000800
00001000
00002000
00004000
00008000
00010000
00020000
00040000
00080000
00100000
00200000
00400000
00800000
01000000
02000000
04000000
08000000
10000000
20000000
40000000
80000000
Alarm Word
(par. 16-90 Alarm Word )
Brake check
Power card over temperature
Earth fault
Ctrl. card over temperature
Control word timeout
Over current
Torque limit
Motor thermistor over temp.
Motor ETR over temperature
Inverter overloaded
DC link under voltage
DC link over voltage
Short circuit
Inrush fault
Mains phase loss
AMA not OK
Live zero error
Internal fault
Brake overload
Motor phase U is missing
Motor phase V is missing
Motor phase W is missing
Fieldbus fault
24V supply fault
Mains failure
1.8V supply fault
Brake resistor short circuit
Brake chopper fault
Option change
Drive initialized
Safe Stop
Not used
MG.11.B7.02 - VLT ® is a registered Danfoss trademark
8. General Specifications and Troubleshooting
Alarm word 2, 16-91
Bit
(Hex)
00000001
00000002
00000004
00000008
00000010
00000020
00000040
00000080
00000100
00000200
00000400
00000800
00001000
00002000
00004000
00008000
00010000
00020000
00040000
00080000
00100000
00200000
00400000
00800000
01000000
02000000
04000000
08000000
10000000
20000000
40000000
80000000
Alarm Word 2
Word
(par. 16-91 Alarm
2 )
Service Trip, read / Write
Reserved
Service Trip, Typecode /
Sparepart
Reserved
Reserved
No Flow
Dry Pump
End of Curve
Broken Belt
Not used
Not used
Reserved
Reserved
Reserved
Reserved
8
Reserved
Reserved
Not used
Fans error
ECB error
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
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